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150425420 = 2257521271
BaseRepresentation
bin10001111011101…
…00111101001100
3101111001101212212
420331310331030
5302002103140
622532045552
73504411035
oct1075647514
9344041785
10150425420
1177a02932
12424638b8
132521a732
1415d99a8c
15d315765
hex8f74f4c

150425420 has 12 divisors (see below), whose sum is σ = 315893424. Its totient is φ = 60170160.

The previous prime is 150425419. The next prime is 150425449. The reversal of 150425420 is 24524051.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3760616 + ... + 3760655.

It is an arithmetic number, because the mean of its divisors is an integer number (26324452).

Almost surely, 2150425420 is an apocalyptic number.

150425420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150425420 is an abundant number, since it is smaller than the sum of its proper divisors (165468004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

150425420 is a wasteful number, since it uses less digits than its factorization.

150425420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7521280 (or 7521278 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 150425420 is about 12264.8041158430. The cubic root of 150425420 is about 531.8311173667.

Adding to 150425420 its reverse (24524051), we get a palindrome (174949471).

The spelling of 150425420 in words is "one hundred fifty million, four hundred twenty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 7521271 15042542 30085084 37606355 75212710 150425420